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IMPERMEABLE FABRIC [2 records]

Record 1 2005-05-18

English

Subject field(s)
  • Thread Spinning (Textiles)
DEF

[A] process that produces a highly impermeable, nonwoven fabric of submicron fibres by pushing a millimeter diameter liquid jet through a nozzle with an electric field.

OBS

The thickness of the electrospun fibres differs depending on the fluid properties, such as viscosity, conductivity, dielectric constant, surface tension, etc. and the molecular weight and process operating parameters of the polymer, such as flow rate of the solution, jet current, applied electrical potential and tip to ground distance.

French

Domaine(s)
  • Filature (Textiles)
DEF

[Procédé] qui donne une étoffe non tissée ultra-imperméable de fibres submicroniques et qui consiste à pousser un jet liquide d'un millimètre de diamètre dans un injecteur au moyen d'un champ électrique.

OBS

L'épaisseur des fibres électrofilées varie selon les propriétés du fluide : sa viscosité, sa conductivité, sa constante diélectrique, sa tension superficielle, etc., de même que le poids moléculaire et les paramètres du polymère influençant le procédé, tels le débit, le courant d'injection, la tension électrique appliquée et la distance entre l'extrémité de l'injecteur et la mise à la terre.

Spanish

Save record 1

Record 2 1991-02-04

English

Subject field(s)
  • Technical Textiles
  • Civil Engineering
  • Soil Mechanics (Engineering)
CONT

Once a fabric is rendered impermeable as, for example, by impregnation and/or coating with vinyl, neoprene, elastomers, polyurethane, and so forth, an entirely new set of construction uses of fabrics arises. The fabric, being nonporous, can now be lifted by air to form an air-supported structure capable of wide variations of size and shape. it can also be water filled, taking the shape of the fabric under hydrostatic pressure to form various enclosures or barriers such as inflatable flood gates in tidal zones. Lastly, if the coating has structural stiffness, it, in itself, becomes a structural element. Its use is now unlimited for enclosures, roofs, partitions, and many other related uses.

OBS

[Impermeable construction fabric :] Impermeable Fabrics. Once a construction fabric is made nonpervious an entirely new spectrum of construction uses emerges. These uses can be categorized in the following areas : Air-supported and tension structures. Water-filled structures. Self-sustaining structures. Such application can occur above ground, below ground, or in water.

French

Domaine(s)
  • Textiles techniques
  • Génie civil
  • Mécanique des sols
OBS

Construction: ensemble des techniques qui permettent de bâtir; secteur d'activité dont l'objet est de bâtir.

Spanish

Save record 2

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